TROY Peter John Stewart, died Friday, June 17, 2005 at his home in Troy, N.Y. after a long illness. He was born in 1921 in Shoeburyness, a village on the estuary of the Thames in England. His parents, of whom he was the only child, were John Benjamin and Elizabeth Louise (Binge) Stewart; both predeceased him in 1966 and 1967. Peter Stewart was educated at Southend-on-Sea High School, from which he secured a scholarship to the Royal College of Science, London University. He graduated in 1944 with a Ph.D. degree in inorganic and physical chemistry. In 1945, he joined the British/Canadian nuclear research effort at Deep River, Ontario, Canada and Harwell, England. In 1950, he and three associates started a Canadian company to exploit uses of radioactive materials in industrial control instrumentation and industrial inspection. In 1952, he married Marian Jones, pianist and actress from Toronto. She was the mother of his four children. In 1960, the family relocated to the U.S. where Peter joined the G.E. Research Laboratory, specializing in research planning and appraisal, new business development and energy systems analysis, retiring in 1986. Marian Stewart died in 1981 after a long struggle with multiple sclerosis and, in 1983, Peter married Jane Bucci, a well-known area musician. Throughout his life, Peter was involved with the theatre - as actor, director, designer and writer. Locally, he had worked with Schenectady Civic Players, Schenectady Light Opera, RPI Players in Troy and with the First Unitarian Society of Schenectady. Also, he was involved with several arts organizations as arranger of exhibitions and as a collector. His personal collection of Indian paintings has recently been donated to the Williams College Museum of Art. Survivors include his wife, Jane of Troy, N.Y. and his four children: Adam P. Stewart (Claire) of Hamiltion, Ontario, Canada; Colin John Stewart (Molly) of Ithaca, N.Y.; Graham Wilfred Stewart (Ester) of New York City; Fiona Elaine Stewart of Pasadena, Calif. He had also enjoyed two grandchildren, Fiona's son, Treynal, and Graham and Ester's daughter, Jen Ling. Peter is also grateful for the love and support of Jane's children, Gwen Bucci, Michael Bucci and Catherine Bucci and their famililes. Peter has given his body to the anatomical gift program at the Albany Medical College in Albany, N.Y. A memorial service will be conducted at the First Unitarian Society, 1221 Wendell Avenue, Schenectady, N.Y. on Saturday, July 9, 2005 at 11 a.m. In lieu of flowers, it has been suggested by the family that contributions in memory of Peter may be made to the Community Hospice, 295 Valley View Blvd., Rensselaer, NY 12144-9307.